1378763322 has 16 divisors (see below), whose sum is σ = 2784830112. Its totient is φ = 455037200.

The previous prime is 1378763317. The next prime is 1378763357. The reversal of 1378763322 is 2233678731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136988 + ... + 1138199.

It is an arithmetic number, because the mean of its divisors is an integer number (174051882).

Almost surely, 2^1378763322 is an apocalyptic number.

1378763322 is an abundant number, since it is smaller than the sum of its proper divisors (1406066790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378763322 is a wasteful number, since it uses less digits than its factorization.

1378763322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275293.

The product of its digits is 254016, while the sum is 42.

The square root of 1378763322 is about 37131.7023848894. The cubic root of 1378763322 is about 1113.0036124455.

The spelling of 1378763322 in words is "one billion, three hundred seventy-eight million, seven hundred sixty-three thousand, three hundred twenty-two".